CN117518382A - Embedded stranded optical cable and preparation method thereof - Google Patents
Embedded stranded optical cable and preparation method thereof Download PDFInfo
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- CN117518382A CN117518382A CN202410015478.5A CN202410015478A CN117518382A CN 117518382 A CN117518382 A CN 117518382A CN 202410015478 A CN202410015478 A CN 202410015478A CN 117518382 A CN117518382 A CN 117518382A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 76
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000013307 optical fiber Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 230000037228 dieting effect Effects 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
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- 239000000843 powder Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
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- 230000000694 effects Effects 0.000 abstract description 2
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- 238000010276 construction Methods 0.000 description 6
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- 229920006231 aramid fiber Polymers 0.000 description 1
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
Abstract
The invention discloses an embedded stranded optical cable and a preparation method thereof. By adopting the mode, the embedded stranded optical cable and the preparation method thereof adopt the embedded structure, the sheath is directly extruded on the surfaces of the central reinforcing piece and the loose tube and possibly in gaps, so that the compactness and the roundness of the optical cable are ensured, meanwhile, certain filling rope materials can be saved, other filling original components are not required to form a yarn-free structural design, the phenomena of bulging of the surface of the optical cable and breakage of the cable caused by yarn breakage in the sheath process are avoided, the filling of cable paste is not required, the environmental pollution caused by the cable paste is avoided, and the environment-friendly effect is realized.
Description
Technical Field
The invention relates to the technical field of cables, in particular to an embedded stranded optical cable and a preparation method thereof.
Background
The optical cable may be divided into a central tube type optical cable and a layer-stranding type optical cable according to its stranding mode.
When the layer stranded optical cable is produced: firstly, twisting the cable core, filling water-blocking cable paste in the cable core gap, and sheathing to form the finished optical cable, wherein the cable core consists of a central reinforcing piece, a loose tube and possibly filling ropes, and yarns are pricked outside the twisted cable core when the cable core is twisted so as to achieve the effect of fixing the cable core.
When the cable core with good yarn is extruded into the sheath in the subsequent sheath working procedure, if broken yarn occurs, the phenomenon of bulge occurs in the process of extruding the sheath, and if serious, the cable is broken, the optical cable with a non-standard length occurs, and the qualification rate of the optical cable is affected.
In addition, in order to ensure the water-blocking performance of the optical cable in the prior art, the cable core is generally filled with water-blocking cable paste which is a substance very difficult to decompose, if the optical cable uses the cable paste to block water, the optical cable is very difficult to clean when peeled off in field construction, and the cable paste on the cable core of the optical cable can be cleaned only by dipping solid substances (such as paper or cloth) in other solvents (such as alcohol or acetone solution) and the like, for example, the optical cable cannot be well treated on site and pollutants left on site are very easy to pollute the surrounding environment (including water or soil) if the optical cable cannot be cleaned; the cable paste also pollutes the environment of the factory during the production process in the factory, and the pollutants after the cable paste is cleaned are difficult to recover and treat.
Disclosure of Invention
The invention mainly solves the technical problem of providing an embedded stranded optical cable and a preparation method thereof, wherein an embedded structure is adopted, other filling original components are not needed to form a yarn-bundling-free structural design, and the phenomena of cable surface bulge and cable breakage caused by yarn bundling and yarn breakage in a sheath process are avoided; the cable structure can be guaranteed to be round without a filling rope, the jacket is directly extruded on the surfaces of the central reinforcing piece and the loose tube and possibly in gaps, the compactness and the roundness of the cable structure are guaranteed, meanwhile, certain filling rope materials can be saved, filling of cable paste is not needed in the cable structure, pollution of the cable paste to a construction site and a production environment is avoided, and certain environmental protection performance is achieved.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is an embedded stranded optical cable, comprising:
a center strength member located at a center position of the optical cable;
a plurality of loose tubes which are embedded and stranded on the periphery of the central reinforcing piece in an even distribution mode;
and the plurality of loose tubes are directly embedded in the sheath, the sheath is extruded and tightly pressed on the surfaces of the central reinforcing piece and the loose tubes by sheath materials, and the sheath is directly embedded and filled in and around the gaps between the loose tubes and the central reinforcing piece so as to keep the roundness of the outer surface of the optical cable.
In a preferred embodiment of the invention, the central reinforcement is a high modulus steel wire, steel strand or fiberglass reinforced plastic rod.
In a preferred embodiment of the invention, a plurality of said loose tubes are embedded in a sheath around a central reinforcement in SZ twist.
In a preferred embodiment of the invention, a plurality of said loose tubes are helically stranded embedded in a jacket around a central reinforcement.
In a preferred embodiment of the present invention, the loose tube contains a plurality of coaxially arranged optical fibers, with a fiber filler disposed therebetween.
In a preferred embodiment of the present invention, the optical fiber filler is a water-blocking filler, and the water-blocking filler is one of a water-blocking fiber paste, a water-blocking yarn or a water-blocking powder.
In a preferred embodiment of the present invention, the sheath is one of polyethylene, polyvinyl chloride, polyurethane or low smoke halogen-free flame retardant polyolefin.
In order to solve the technical problems, the invention adopts a technical scheme that: the preparation method of the embedded stranded optical cable is used for preparing the embedded stranded optical cable and comprises the following steps:
s1, installing an extrusion molding die on a machine head of an extrusion molding machine, penetrating a central reinforcing piece into a central hole of a die core of the extrusion molding die, and penetrating a plurality of loose tubes into circumferential holes at the periphery of the central hole;
s2, controlling the mold core to rotate, and twisting a plurality of loose tubes on the periphery of the central reinforcing piece in an SZ twisting mode or a spiral twisting mode;
s3, the sheath material sequentially passes through a feeding stage, a plasticizing stage, a homogenizing stage and a shaping stage on the plastic extruding machine, and finally the sheath material is directly filled in and around the gaps of the loose tube and the central reinforcing piece and is in gapless tight combination with the central reinforcing piece and the loose tube to form an embedded stranded optical cable;
s4, finally cooling the finished product embedded stranded optical cable step by step.
In a preferred embodiment of the present invention, the molding temperature at each stage in the step S3 is: the feeding stage is 130-190 ℃, the plasticizing stage is 150-220 ℃, the homogenizing stage is 170-250 ℃ and the shaping stage is 200-280 ℃.
In a preferred embodiment of the present invention, the production speed of the embedded twisted optical cable is 20-100m/min, and the outer diameter of the embedded twisted optical cable is 5-20mm.
The beneficial effects of the invention are as follows:
under the premise of meeting the mechanical property, the filling rope is canceled, and the roundness of the optical cable structure can be ensured without the filling rope; the sheath is directly extruded on the surfaces of the central reinforcing piece and the loose tube and possibly in gaps, so that the compactness and the roundness of the optical cable structure are ensured, and meanwhile, certain filling rope materials can be saved; the embedded structure is adopted, other filling original components are not needed, no yarn-binding structural design is adopted, and the phenomena of cable surface bulge and cable breakage caused by yarn binding and yarn breaking in the sheath process are avoided; the embedded stranded optical cable is a semi-dry or full-dry structure optical cable, the water blocking performance of the optical cable can be guaranteed even if no cable paste is filled, the pollution of the cable paste to the construction site and the production environment is avoided, and the cable paste has certain environmental protection.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of an embedded twisted fiber optic cable according to a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of a preferred embodiment of an embedded twisted fiber optic cable of the present invention;
FIG. 3 is a schematic view of an extrusion die for embedding a twisted optical cable according to a preferred embodiment of the present invention;
the components in the drawings are marked as follows: 1. sheath, 2, loose tube, 3, optical fiber filler, 4, optical fiber, 5, central reinforcement, 6, mold core, 6-1, central hole, 6-2, circumferential hole, 7, mold sleeve, 8 and runner.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The present invention relates to a preferred embodiment of an embedded twisted fiber optic cable.
Referring to fig. 1 to 2, the embedded twisted optical cable includes a central reinforcing member 5, loose tubes 2 and a jacket 1, the central reinforcing member 5 is located at the central position of the optical cable, a plurality of loose tubes 2 are embedded and twisted on the periphery of the central reinforcing member 5 in a uniformly distributed manner, a plurality of loose tubes 2 are directly embedded in the jacket 1, and the jacket 1 is extruded and pressed on the surfaces of the central reinforcing member 5 and the loose tubes 1 by jacket materials.
According to the optical cable provided by the invention, the loose tubes 2 on the periphery of the central reinforcing member 5 are arranged in a uniform distribution mode, the loose tubes 2 are stranded or helically stranded on the periphery of the central reinforcing member 5 in a SZ(s) mode, the loose tubes 2 are not fixed by binding yarns outside the loose tubes 2, the space between the central reinforcing member 5 and the loose tubes 2 is not filled with water-blocking cable paste, the sheath 1 is directly filled around a gap between the loose tubes 2 and the central reinforcing member 5, and the roundness of the outer surface of the optical cable is maintained.
Therefore, the optical cable structure can ensure the structural roundness without filling ropes, ensure the compactness and roundness of the optical cable structure, and save certain filling rope materials.
The central strength member 5 is the primary stress element of the cable and determines the tensile properties of the cable. In some embodiments, the central reinforcement 5 is typically a high modulus steel wire, steel strand or fiberglass reinforced plastic rod. The method can be as follows: glass fiber reinforced plastic rod GFRP, aramid fiber reinforced plastic rod KFRP or fiber reinforced plastic flexible rod FFRP.
In some embodiments, a plurality of said loose tubes 2 are embedded in the sheath 1 in SZ-twisted fashion around the central reinforcement 5.
In some embodiments, a plurality of said loose tubes 2 are helically stranded embedded in the jacket 1 around the central reinforcement 5.
In some embodiments, the loose tube 2 contains a plurality of coaxially arranged optical fibers 4 inside, with an optical fiber filler 3 disposed between the optical fibers 4.
Further, the optical fiber filler 3 is a water-blocking filler with a certain water-blocking performance, and the water-blocking filler can be one of water-blocking materials such as water-blocking fiber paste, water-blocking yarn or water-blocking powder. The water blocking filler is filled between the optical fibers in the loose tube, so that the water blocking performance of the loose tube can be ensured.
In some embodiments, the sheath 1 is polyethylene, polyvinyl chloride, polyurethane, low smoke zero halogen flame retardant polyolefin, or others.
The embedded stranded optical cable can ensure the roundness of the optical cable without filling ropes on the premise of meeting the mechanical property, and the sheath is directly extruded on the surfaces of the central reinforcing piece and the loose tube and possibly in a gap, so that the compactness and roundness of the optical cable structure are ensured, and meanwhile, certain filling rope materials can be saved.
The embedded stranded optical cable does not need to be cabled to fix a cable core, can be directly sheathed for extrusion, embedded stranding, and can avoid the occurrence of quality accidents of bulge and yarn blockage.
Further, because the sheath is directly extruded in the gap between the central reinforcing piece and the loose tube, the optical cable does not need to be filled with cable paste, and can be a semi-dry or full-dry structure optical cable, the water blocking performance of the optical cable can be ensured without filling with the cable paste, the pollution of the cable paste to the construction site and the production environment is avoided, and the optical cable has certain environmental protection.
Example 2
Referring to fig. 3, an extrusion molding die for embedding a twisted optical cable includes a mold core 6 and a mold sleeve 7 disposed outside the mold core 6.
Specifically, the mold core 6 comprises a central hole 6-1 for penetrating the central reinforcement 5, and circumferential holes 6-2 distributed on the periphery of the central hole 6-1 for penetrating the loose tube 2, and a flow passage 8 for sheath material is formed between the mold core 6 and the mold sleeve 7.
Example 3
The invention also relates to a preparation method of the embedded stranded optical cable, the sheath material adopts polyethylene PE, and the preparation method comprises the following steps:
s1, installing an extrusion molding die on a machine head of the extrusion molding machine, penetrating a central reinforcing member 5 into a central hole 6-1 of a mold core 6 of the extrusion molding die, and penetrating a plurality of loose tubes 2 into circumferential holes 6-2 on the periphery of the central hole 6-1.
S2, controlling the mold core 6 to rotate, and twisting the loose tubes 2 on the periphery of the central reinforcing piece 5 in an SZ twisting mode or a spiral twisting mode.
S3, the sheath material sequentially passes through a feeding stage, a plasticizing stage, a homogenizing stage and a shaping stage on an extruding machine, and finally the sheath material is directly filled in and around the gaps of the loose tube 2 and the central reinforcing piece 5 and is in gapless tight combination with the central reinforcing piece 5 and the loose tube 2 to form an embedded stranded optical cable, the production speed of the optical cable is 65m/min, and the outer diameter of the formed embedded stranded optical cable is 12mm;
wherein the molding temperature of each stage is as follows: the feeding stage is 180-190 ℃, the plasticizing stage is 190-210 ℃, the homogenizing stage is 210-260 ℃ and the shaping stage is 240-260 ℃.
S4, finally cooling the finished product embedded stranded optical cable step by step.
Example 4
The invention also relates to a preparation method of the embedded stranded optical cable, wherein the sheath material adopts LSZH in low-smoke halogen-free flame-retardant polyolefin, and the preparation method comprises the following steps:
s1, installing an extrusion molding die on a machine head of the extrusion molding machine, penetrating a central reinforcing member 5 into a central hole 6-1 of a mold core 6 of the extrusion molding die, and penetrating a plurality of loose tubes 2 into circumferential holes 6-2 on the periphery of the central hole 6-1.
S2, controlling the mold core 6 to rotate, and twisting the loose tubes 2 on the periphery of the central reinforcing piece 5 in an SZ twisting mode or a spiral twisting mode.
S3, the sheath material sequentially passes through a feeding stage, a plasticizing stage, a homogenizing stage and a shaping stage on an extruding machine, and finally the sheath material is directly filled in and around the gaps of the loose tube 2 and the central reinforcing piece 5 and is in gapless tight combination with the central reinforcing piece 5 and the loose tube 2 to form an embedded stranded optical cable, the production speed of the optical cable is 80m/min, and the outer diameter of the formed embedded stranded optical cable is 16mm;
wherein the molding temperature of each stage is as follows: the feeding stage is 130-140 ℃, the plasticizing stage is 140-150 ℃, the homogenizing stage is 150-170 ℃ and the shaping stage is 160-170 ℃.
S4, finally cooling the finished product embedded stranded optical cable step by step.
In summary, the sheath material is directly acted on the clearance between the loose tube 2 and the central reinforcing member 5 and the periphery of the loose tube through the extruder in preparation, the sheath is directly extruded, the extruded sheath material has a compact and firm structure, the tight and zero-clearance combination with the central reinforcing member and the loose tube can be realized, and the smoothness of the surface of the optical cable can be ensured.
The invention adopts a yarn-binding-free optical cable structure, an embedded structure, no other filling members are needed, the sheath is directly extruded in the gap between the central reinforcing piece and the loose tube, the optical cable structure is compact, the construction and the installation are convenient, and the phenomena of cable surface bulge and cable breakage caused by yarn binding and yarn breakage in the sheath process are avoided.
The embedded stranded optical cable and the preparation method thereof have the beneficial effects that:
under the premise of meeting the mechanical property, the filling rope is canceled, and the roundness of the optical cable structure can be ensured without the filling rope;
the sheath is directly extruded on the surfaces of the central reinforcing piece and the loose tube and possibly in gaps, so that the compactness and the roundness of the optical cable structure are ensured, and meanwhile, certain filling rope materials can be saved;
the embedded structure is adopted, other filling original components are not needed, no yarn-binding structural design is adopted, and the phenomena of cable surface bulge and cable breakage caused by yarn binding and yarn breaking in the sheath process are avoided;
the optical cable structure is filled with no cable paste, so that the pollution of the cable paste to the construction site and the production environment is avoided.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (10)
1. An embedded twisted fiber optic cable comprising:
a center strength member located at a center position of the optical cable;
a plurality of loose tubes which are embedded and stranded on the periphery of the central reinforcing piece in an even distribution mode;
and the plurality of loose tubes are directly embedded in the sheath, the sheath is extruded and tightly pressed on the surfaces of the central reinforcing piece and the loose tubes by sheath materials, and the sheath is directly embedded and filled in and around the gaps between the loose tubes and the central reinforcing piece so as to keep the roundness of the outer surface of the optical cable.
2. The embedded stranded fiber optic cable of claim 1, wherein said center strength member is a high modulus steel wire, steel strand or fiberglass reinforced plastic rod.
3. The embedded stranded fiber optic cable of claim 1, wherein a plurality of said loose tubes are embedded in a jacket in SZ stranded fashion about a central strength member.
4. The embedded stranded fiber optic cable of claim 1, wherein a plurality of said loose tubes are helically stranded embedded in a jacket around a central strength member.
5. The embedded stranded fiber optic cable of claim 1, wherein said loose tube contains a plurality of coaxially disposed optical fibers disposed therebetween.
6. The embedded stranded fiber optic cable of claim 5, wherein said fiber optic filler is a water-blocking filler, said water-blocking filler being one of a water-blocking fiber paste, a water-blocking yarn, or a water-blocking powder.
7. The embedded stranded cable of claim 1, wherein said jacket is one of polyethylene, polyvinyl chloride, polyurethane, or a low smoke, halogen free, flame retardant polyolefin.
8. A method of making an embedded stranded cable of any one of claims 1-7, comprising the steps of:
s1, installing an extrusion molding die on a machine head of an extrusion molding machine, penetrating a central reinforcing piece into a central hole of a die core of the extrusion molding die, and penetrating a plurality of loose tubes into circumferential holes at the periphery of the central hole;
s2, controlling the mold core to rotate, and twisting a plurality of loose tubes on the periphery of the central reinforcing piece in an SZ twisting mode or a spiral twisting mode;
s3, the sheath material sequentially passes through a feeding stage, a plasticizing stage, a homogenizing stage and a shaping stage on the plastic extruding machine, and finally the sheath material is directly filled in and around the gaps of the loose tube and the central reinforcing piece and is in gapless tight combination with the central reinforcing piece and the loose tube to form an embedded stranded optical cable;
s4, finally cooling the finished product embedded stranded optical cable step by step.
9. The method for manufacturing an embedded twisted optical cable according to claim 8, wherein the molding temperature at each stage in step S3 is: the feeding stage is 130-190 ℃, the plasticizing stage is 150-220 ℃, the homogenizing stage is 170-250 ℃ and the shaping stage is 200-280 ℃.
10. The method for manufacturing an embedded twisted optical cable according to claim 9, wherein the production speed of the embedded twisted optical cable is 20-100m/min, and the outer diameter of the embedded twisted optical cable is 5-20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410015478.5A CN117518382A (en) | 2024-01-05 | 2024-01-05 | Embedded stranded optical cable and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410015478.5A CN117518382A (en) | 2024-01-05 | 2024-01-05 | Embedded stranded optical cable and preparation method thereof |
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| CN117518382A true CN117518382A (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410015478.5A Pending CN117518382A (en) | 2024-01-05 | 2024-01-05 | Embedded stranded optical cable and preparation method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0846970A1 (en) * | 1996-12-09 | 1998-06-10 | Alcatel | Method and device for the manufacturing of an optical bundle or optical cable |
| JP2002006186A (en) * | 2000-05-23 | 2002-01-09 | Alcatel | Method and device for solid twisting of flex tube unit |
| US20060198585A1 (en) * | 2005-03-03 | 2006-09-07 | David Keller | Multi-tube fiber optic cable and system and method for making the same |
| CN201348665Y (en) * | 2008-10-28 | 2009-11-18 | 长飞光纤光缆有限公司 | Double-loose-bushing micro-optical cable |
| CN105390190A (en) * | 2015-12-14 | 2016-03-09 | 江苏上上电缆集团有限公司 | Cable for industrial robot and manufacturing method of cable |
| JP2017091727A (en) * | 2015-11-06 | 2017-05-25 | 住友電気工業株式会社 | Multifiber cable and manufacturing method thereof |
| CN214174709U (en) * | 2021-02-26 | 2021-09-10 | 江苏华脉新材料有限公司 | Multi-core pressure-proof optical cable |
| JP2021144844A (en) * | 2020-03-11 | 2021-09-24 | 古河電気工業株式会社 | Composite cable |
-
2024
- 2024-01-05 CN CN202410015478.5A patent/CN117518382A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0846970A1 (en) * | 1996-12-09 | 1998-06-10 | Alcatel | Method and device for the manufacturing of an optical bundle or optical cable |
| JP2002006186A (en) * | 2000-05-23 | 2002-01-09 | Alcatel | Method and device for solid twisting of flex tube unit |
| US20060198585A1 (en) * | 2005-03-03 | 2006-09-07 | David Keller | Multi-tube fiber optic cable and system and method for making the same |
| CN201348665Y (en) * | 2008-10-28 | 2009-11-18 | 长飞光纤光缆有限公司 | Double-loose-bushing micro-optical cable |
| JP2017091727A (en) * | 2015-11-06 | 2017-05-25 | 住友電気工業株式会社 | Multifiber cable and manufacturing method thereof |
| CN105390190A (en) * | 2015-12-14 | 2016-03-09 | 江苏上上电缆集团有限公司 | Cable for industrial robot and manufacturing method of cable |
| JP2021144844A (en) * | 2020-03-11 | 2021-09-24 | 古河電気工業株式会社 | Composite cable |
| CN214174709U (en) * | 2021-02-26 | 2021-09-10 | 江苏华脉新材料有限公司 | Multi-core pressure-proof optical cable |
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